run { allocate channel c1 type disk maxpiecesize=2G; allocate channel c2 type disk maxpiecesize=2G; backup filesperset=6 database format 'K:\rmanbackup0906\full_%U_%d_%T_%s_%p' tag 'fullbackup' plus archivelog format 'K:\rmanbackup0906\arch_%U_%d_%T_%s_%p' tag 'archbakcup'; release channel c1; release channel c2; allocate channel d1 type disk; backup current controlfile format 'K:\rmanbackup0906\ctlbak.ctl'; release channel d1; }

在rman里面用show all看看配置

应该是配置了BACKUP TYPE TO COMPRESSED BACKUPSET策略

backup as compressed